Performance system values: Communications arbiter jobs at restart
The Communications arbiter jobs at restart system value is also known as QCMNARB. You can use this system value to specify the number of communications arbiter system jobs that are available to process work for controllers and devices.
| Quick reference | |
|---|---|
| Location | From IBM® Navigator for i, select . Right-click on Performance and click Properties, then select theCommunications tab. |
| Special authority | Job control (*JOBCTL). |
| Default value | System calculated. |
| Changes take effect | At the next restart of the system. |
| Lockable | No. |
What can I do with this system value?
You can specify the number of communications arbiter system jobs that are available to process work for controllers and devices. Work for controllers and devices includes input/output requests that are sent to devices and events related to making devices available for use.
This system value has the following options:
- 0 (0)
- No communications arbiter jobs. The system arbiter (QSYSARB) and QLUS system jobs perform the work that the communications arbiter jobs normally do. This setting should only be used if IBM service recommends it.
- 1-99 (1-99)
- Specify the number of communication arbiter system jobs that are started.
- System calculated (*CALC)
- The system computes the number of communication arbiter system jobs. This is the recommended setting.